If a heated steel nail were placed inpure O2, would you expect it to burnas readily as the steel wool does?

Q: 6 The graphite anodes have to be replaced regularly. Why is this? 7 Why is it so much more…

A: Bauxite is a sedimentary rock and it is the ore of Aluminum. The chemical composition of bauxite is…

Q: 45) Acety lene gas,C2Hz is used in because it an extremely hot flame when it is Jecmbusted with oxyg…

A: Since you have posted multiple questions, we are entitled to answer the first only. Please repost…

Q: ne atomic radius of gold is ~ 0.140 nm and the radius of copper iS ~0.130 nm. In 14-kar old what…

A: Solution-  (a). Copper is smaller than gold it will substitutes the gold position so it is a…

Q: B. What are the effects of adding elements (Ni. Cr, Si and S) on steel?

A:

Q: Silicon carbide, SiC, has the three-dimensional structureshown in the figure.(a) Name another…

A: a) To determine another compound that has same structure: The compound that has similar crystal…

Q: What property of steel is being enhanced in adding silicon?

A: What property of steel is being enhanced in adding silicon?

Q: Define the term ‘point defects’ Mention are main difference between stoichiometric and non-…

A: Define the term ‘point defects’ Mention are main difference between stoichiometric and non-…

Q: Q/ Correct the under line words 1-Ferrous alloys above 6.67%ls has structure of FeC+ Cementite.

A:

Q: Which one of the following statements is true for the vulcanization? Risa procoess ge nerally…

A: Vulcanization is a chemical process that involves heating rubber at 140–160°C with sulphur,…

Q: Find melting points of the materials: Aluminum…

A:

Q: phase in metal sn? If it's not give the reason.

A: According to question a) Given phase diagram is a Two component Phase diagram. Yes both are Soluble…

Q: the reduction process of hematite in the blast fumace starting from coke to

A: In this question we have to explain the reduction process of hematite in the blast furnace starting…

Q: Which of the method is relavent for both thermosetting and thermoplastic materials?

A: Thermosetting plastic is the one with a long molecule chain cross-linked together and having high…

Q: A- What are the important reactions in( Fe- C ) system? B-State the purpose of adding alloying…

A: A) The important reactions in (Fe - C) system are, i) Eutectic reaction  ii) Eutectoid reaction iii)…

Q: Explain if coarse grain steel can be carburized?

A:

Q: Explain why should acetylene gas cylinders used for gas welding be erected in upright position?

A: Natural gas is primarily derived from deep underground petroleum deposits. Since gases are lighter…

Q: c) Suggest and explain in detail one heat treatment procedure that can strengthen or harden the…

A: A metal when it is hardend,it is heated to a point where the element transform into a solution.

Q: (a) Giving examples differentiate between calcination and roasting.(b) What is the role of cryolite…

A: Hello. Since more than one question has been asked, the first question shall only be answered in…

Q: Why are metals good conductors of heat than ceramics?

A: Metals are substance which are present in the s and d block of the periodic table.

Q: Copper-rich copper-beryllium alloys are precipitation hardenable. After consulting the portion of…

A: Ans:- a) the range of temp. overwhich there avoy may bepreapitation hacdened is betweenapproximately…

Q: 5- Which of the following statement is not a property of metal glasses a. Poor thermal conducting b.…

A: The ability to conduct heat is measured by thermal conductivity. The degree of magnetization of a…

Q: Hardenability of steel is influenced by the type and character of the quenching medium. Which of the…

A: Dear student this question is related to hardness of steel.

Q: How can evacuated the hot gases formed by reactions of the molten metal in die casting?

A: When metal parts of certain geometry are to be produced at a faster rate, die casting process is…

Q: From which category of materials would you select a material best suited for building a vessel to…

A: Iron is used to make various alloys, such as stainless steel which is manufactured by mixing iron…

Q: For the alloy Mg-45 wt% Pb alloy at 500 C, what is the weight percentage of Pb in liquid?

A: Given: Mg-Pb Phase diagram To determine : The weight percentage of Pb in liquid for the alloy Mg-45…

Q: A silicon sample maintained at 300 K is characterized by the energy band diagram in Rg.4-48:…

A: a. Yes the eqilibrium conditions previl because of the fermi level is contant with position.

Q: what is the type of linkage below? is it reducing or non reducing?

A:

Q: What are the chemical process required to extract steel ingot from iron ores using naturally…

A: When any metal ore is passes Through chemical process and we get pure metal as product with lower…

Q: (a) Give an example of zone refining of metals. (b) What is the role of cryolite in the metallurgy…

A: a) Zone refining of metals is the technique by which impurities are extracted from the metals and…

Q: Which method is employed for extracting copper from low grade ores and scraps?

A: reduction of ores -by three step-Reaction of the ore (over quite a prolog and on a huge scale) with…

Q: e. Explain with relevant points about structure, alloying elements and characteristics.

A: Alloying elements are used to alter the chemical and mechanical properties of steel to provide them…

Q: Why is it important to use an inert atmosphere to surround the metal when arc-melting titanium?

A: Since high temperature and the flow of electrons would cause the metal to oxidize in a normal…

Q: What is the use of process named Vulcanisation?

A: Vulcanisation is the process of treatment of natural rubber with sulphur.  It also includes…

Q: Chalcopyrite (C'uFeS2), is an important source of copper. A typical chalcopyrite ore contains about…

A: Density of chalcopyrite ore = 2.6 gcm3 Temperature = 25oC = 298.15 K…

Q: How is steel manufactured by acid bessemer process? What are the advantages and disadvantages of…

A: The acid Bessemer process consists essentially of blowing air through molten pig iron to oxidize the…

Q: Which metals are found in carbaloy steel?

A: Given,Carbaloy steel

Q: What is the basic principle of zone refining of metals?

A: In nature,metals are not found in pure form . They exist in the form of compounds called ores.Metals…

Q: Which metals are found in Monel steel?

A: Monel steel is an alloy. This alloy is mainly composed of nickel (Ni) and copper (Cu) which is 72%…

Q: Why does a gold-plated steel post might not offer the same protection as a 14K gold post?

A: Given information,      A gold-plated steel post might not offer the same protection as a 14K gold…

Q: OUTM showsuge UTM TM Figure 5 OUTM OUTMO Figure 5 showed applications of alloys as roofing materials…

A:

Q: hot coffe stored in well insulated thermos flask is example of?

A: Systems can be classified into three types. They are  Open system -  A system which can exchange…

Q: What phase occurs when a soldering iron prepares liquid solder from solid metal?

A: Soldering is a process in which two or more items are joined together by melting and putting a…

Q: se the tabe below to classity ea Wte a one-sentence summary for each describes the physical…

A: Metal easily losses its electron to form noble gas configuration and non metal easily accepts…

Q: The production of high-grade iron from hematite and magnetite using a blast furnace involves several…

A:

Q: How do pressure and temperature affect the rate of substitution in minerals?

A: The size of the ions and the size of the crystallographic sites they replace. In general, ions of…